Future forms

I think Sara ( is going to like / will like ) this song.

Let´s hurry! Our bus ( is arriving / arrives ) in 5 minutes ! It´s always on time.

I ( am going / will go ) to the cinema tomorrow. I've got my ticket.

What ( are you doing / will do ) tonight?

Oh no! I forgot to walk the dog today. I ( am doing / will do ) it when I finish studying.

His car is very old. He ( is going to buy / will buy ) a new one next month.